Recently, my cat (first time mom) gave birth to three kittens. We weren't entirely sure that she was pregnant or not at first but she was very round in the mid-section, so we took her to the vet. She's only 1.5 years old and she has never been in a car before so she was really stressed throughout the ride (which was pretty long). The vet couldn't tell whether she was pregnant or not and told us to come back in two weeks for an ultra sound. My cat gave birth the next day. So far, two out of the three kittens have died due to unknown reason. There was liquid coming out of them when we discovered them not moving (I tried to check on the babies every 1-2hrs, if possible). Our third kitten is still hanging on but it was born was a messed up leg. I was wondering is it possible that the vet visit stressed my cat mom out causing her to give birth prematurely; thus, causing the kitten to have defects and dying?